Allo in this case refers to alloromantic or allosexual. It's the counterpart to aromantic/asexual, and refers to someone who does experience those feelings fully.
Francine
2 weeks ago
Thank you my friend!
roachlord
3 months ago
thank you for your giveaway! happy new year
N7Senshi
3 months ago
My pleasure! Thank you again, and a happy new year to you as well~